scholarly journals Optimizing stored video delivery for mobile networks: The value of knowing the future

Author(s):  
Zheng Lu ◽  
Gustavo de Veciana
2021 ◽  
Vol 11 (2) ◽  
pp. 503
Author(s):  
Yuriy Reznik ◽  
Jordi Cenzano ◽  
Bo Zhang

We analyze the differences between on-premise broadcast and cloud-based online video delivery workflows and identify technologies needed for bridging the gaps between them. Specifically, we note differences in ingest protocols, media formats, signal-processing chains, codec constraints, metadata, transport formats, delays, and means for implementing operations such as ad-splicing, redundancy and synchronization. To bridge the gaps, we suggest specific improvements in cloud ingest, signal processing, and transcoding stacks. Cloud playout is also identified as critically needed technology for convergence. Finally, based on all such considerations, we offer sketches of several possible hybrid architectures, with different degrees of offloading of processing in cloud, that are likely to emerge in the future.


Author(s):  
Yan Zhang ◽  
Yifan Chen ◽  
Rong Yu ◽  
Supeng Leng ◽  
Huansheng Ning ◽  
...  

Motivated by the requirements for higher data rate, richer multimedia services, and broader radio range wireless mobile networks are currently in the stage evolving from the second-generation (2G), for example, global system for mobile communications (GSM), into the era of third-generation (3G) or beyond 3G or fourth-generation (4G). Universal mobile telecommunications system (UMTS) is the natural successor of the current popular GSM (http://www.3gpp.org) code division multiple access 2000 (CDMA2000) is the next generation version for the CDMA-95, which is predominantly deployed in North America and North Korea. Time division-sychrononous CDMA (TD-SCDMA) is in the framework of 3rd generation partnership project 2 (3GPP2) and is expected to be one of the principle wireless technologies employed in China in the future (http://www.3gpp.org; 3G TS 35.206). It is envisioned that each of three standards in the framework of international mobile telecommunications- 2000 (IMT-2000) will play a significant role in the future due to the backward compatibility, investment, maintenance cost, and even politics.


Author(s):  
André Paul ◽  
Carsten Jacob ◽  
Heiko Pfeffer ◽  
Stephan Steglich

The growing availability of well-equipped handheld devices and the increasing mobility of users influence the way today’s services can be used. In the future, services provided by different devices can be used on an ad-hoc basis to fulfill user-specified tasks. This chapter proposes an infrastructure for mobile networks that allows for the rating of nodes with respect to their provided functionalities. Thus, it is possible to create reputation relationships and trust assessments between service requesters and service providers. One means for making use of trust relationships is in the reduction and the prevention of interactions with misbehaving or inaccurate nodes. The authors’ work also factors in the subjectivity of users by allowing different service quality perceptions for each user. Thus, each user can base his or her cooperation behavior on their own service behavior preferences instead on the aggregated preferences of all users.


Author(s):  
David Harborth ◽  
Maurice Pohl

According to Rahim Tafazolli from the University of Surrey, users can expect the “perception of infinite capacity” from the future of mobile networks. The fifth generation of mobile networks, 5G, is expected to be released in 2020 and steps up to fulfill various expectations. This article systematically reviews existing research on standardization of 5G and provides an outlook on how to continue best in the future. The review of existing literature shows areas in standardization research, like standardization from a user's perspective, that are rarely covered. In the second part, the focus shifts towards specific publications of relevant standardization organizations and stakeholders for the 5G standardization. By matching the current status of the 5G standardization with historical success factors derived in the first part, this research shows that the standardization process of 5G is on a good way but acknowledges that there is much work to do in the future.


2017 ◽  
Vol 15 (2) ◽  
pp. 1-24 ◽  
Author(s):  
David Harborth ◽  
Maurice Pohl

According to Rahim Tafazolli from the University of Surrey, users can expect the “perception of infinite capacity” from the future of mobile networks. The fifth generation of mobile networks, 5G, is expected to be released in 2020 and steps up to fulfill various expectations. This article systematically reviews existing research on standardization of 5G and provides an outlook on how to continue best in the future. The review of existing literature shows areas in standardization research, like standardization from a user's perspective, that are rarely covered. In the second part, the focus shifts towards specific publications of relevant standardization organizations and stakeholders for the 5G standardization. By matching the current status of the 5G standardization with historical success factors derived in the first part, this research shows that the standardization process of 5G is on a good way but acknowledges that there is much work to do in the future.


IEEE Network ◽  
2013 ◽  
Vol 27 (2) ◽  
pp. 28-33 ◽  
Author(s):  
Dong-Hoon Shin ◽  
Danny Moses ◽  
Muthaiah Venkatachalam ◽  
Saurabh Bagchi

2020 ◽  
Vol 6 (2) ◽  
pp. 52-70
Author(s):  
Rodrigo Marçal Gandia ◽  
Ricardo Braga Veroneze ◽  
Fabio Antonialli ◽  
Bruna Habib Cavazza ◽  
Joel Yutaka Sugano ◽  
...  

This descriptive paper of qualitative approach aimed at understanding whether the Quintuple Helix Model (QHM) can positively foster advancements on urban mobility from AVs’ insertion in the society, as well as discuss the dynamic of the QHM in the Brazilian context. Synergy among agents proposed by the model is essential for minimizing the impacts on innovation development. It is necessary to understand AVs’ development not only as a technological innovation that will bring comfort to society, but rather to realize that this radical innovation can transform the future of urban mobility worldwide. In a Brazilian context, we observed that the country needs to improve in many aspects in order to carry on the future of urban mobility. Brazilians tend to be early technology adopters and the country has good mobile networks, but it will need to improve on regulations, local innovation and road quality to take advantage of AVs (KPMG, 2018). Finally, QHM can corroborate to such needed improvement and, our proposed theoretical framework could explain how this dynamic works.


Sign in / Sign up

Export Citation Format

Share Document